Import relevant source from Qt 4.8

Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6

2 files changed, 448 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativeimageprovider/qdeclarativeimageprovider.pro b/tests/auto/declarative/qdeclarativeimageprovider/qdeclarativeimageprovider.pro
new file mode 100644
index 00000000..3bf0ea13
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeimageprovider/qdeclarativeimageprovider.pro
@@ -0,0 +1,16 @@
+load(qttest_p4)
+contains(QT_CONFIG,declarative): QT += declarative
+QT += network
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qdeclarativeimageprovider.cpp
+
+# QMAKE_CXXFLAGS = -fprofile-arcs -ftest-coverage
+# LIBS += -lgcov
+
+!symbian: {
+    DEFINES += SRCDIR=\\\"$$PWD\\\"
+}
+
+CONFIG += parallel_test
+
diff --git a/tests/auto/declarative/qdeclarativeimageprovider/tst_qdeclarativeimageprovider.cpp b/tests/auto/declarative/qdeclarativeimageprovider/tst_qdeclarativeimageprovider.cpp
new file mode 100644
index 00000000..b2e5c4e2
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeimageprovider/tst_qdeclarativeimageprovider.cpp
@@ -0,0 +1,432 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QtDeclarative/qdeclarativeimageprovider.h>
+#include <private/qdeclarativeimage_p.h>
+#include <QImageReader>
+#include <QWaitCondition>
+#include "../../../shared/util.h"
+
+#ifdef Q_OS_SYMBIAN
+// In Symbian OS test data is located in applications private dir
+#define SRCDIR "."
+#endif
+
+Q_DECLARE_METATYPE(QDeclarativeImageProvider*);
+
+class tst_qdeclarativeimageprovider : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativeimageprovider()
+    {
+    }
+
+private slots:
+    void requestImage_sync_data();
+    void requestImage_sync();
+    void requestImage_async_data();
+    void requestImage_async();
+
+    void requestPixmap_sync_data();
+    void requestPixmap_sync();
+    void requestPixmap_async();
+
+    void removeProvider_data();
+    void removeProvider();
+
+    void threadTest();
+
+private:
+    QString newImageFileName() const;
+    void fillRequestTestsData(const QString &id);
+    void runTest(bool async, QDeclarativeImageProvider *provider);
+};
+
+
+class TestQImageProvider : public QDeclarativeImageProvider
+{
+public:
+    TestQImageProvider(bool *deleteWatch = 0)
+        : QDeclarativeImageProvider(Image), deleteWatch(deleteWatch)
+    {
+    }
+
+    ~TestQImageProvider()
+    {
+        if (deleteWatch)
+            *deleteWatch = true;
+    }
+
+    QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize)
+    {
+        lastImageId = id;
+
+        if (id == QLatin1String("no-such-file.png"))
+            return QImage();
+
+        int width = 100; 
+        int height = 100;
+        QImage image(width, height, QImage::Format_RGB32);
+        if (size) 
+            *size = QSize(width, height);
+        if (requestedSize.isValid())
+            image = image.scaled(requestedSize);
+        return image;
+    }
+
+    bool *deleteWatch;
+    QString lastImageId;
+};
+Q_DECLARE_METATYPE(TestQImageProvider*);
+
+
+class TestQPixmapProvider : public QDeclarativeImageProvider
+{
+public:
+    TestQPixmapProvider(bool *deleteWatch = 0)
+        : QDeclarativeImageProvider(Pixmap), deleteWatch(deleteWatch)
+    {
+    }
+
+    ~TestQPixmapProvider()
+    {
+        if (deleteWatch)
+            *deleteWatch = true;
+    }
+
+    QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize)
+    {
+        lastImageId = id;
+
+        if (id == QLatin1String("no-such-file.png"))
+            return QPixmap();
+
+        int width = 100; 
+        int height = 100;
+        QPixmap image(width, height);
+        if (size) 
+            *size = QSize(width, height);
+        if (requestedSize.isValid())
+            image = image.scaled(requestedSize);
+        return image;
+    }
+
+    bool *deleteWatch;
+    QString lastImageId;
+};
+Q_DECLARE_METATYPE(TestQPixmapProvider*);
+
+
+QString tst_qdeclarativeimageprovider::newImageFileName() const
+{
+    // need to generate new filenames each time or else images are loaded
+    // from cache and we won't get loading status changes when testing 
+    // async loading
+    static int count = 0;
+    return QString("image://test/image-%1.png").arg(count++);
+}
+
+void tst_qdeclarativeimageprovider::fillRequestTestsData(const QString &id)
+{
+    QTest::addColumn<QString>("source");
+    QTest::addColumn<QString>("imageId");
+    QTest::addColumn<QString>("properties");
+    QTest::addColumn<QSize>("size");
+    QTest::addColumn<QString>("error");
+
+    QString fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " simple test"))
+            << "image://test/" + fileName << fileName << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " simple test with capitalization"))//As it's a URL, should make no difference
+            << "image://Test/" + fileName << fileName << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " url with no id"))
+        << "image://test/" + fileName << "" + fileName << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " url with path"))
+        << "image://test/test/path" + fileName << "test/path" + fileName << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " url with fragment"))
+        << "image://test/faq.html?#question13" + fileName << "faq.html?#question13" + fileName << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " url with query"))
+        << "image://test/cgi-bin/drawgraph.cgi?type=pie&color=green" + fileName << "cgi-bin/drawgraph.cgi?type=pie&color=green" + fileName
+        << "" << QSize(100,100) << "";
+
+    fileName = newImageFileName();
+    QTest::newRow(QTest::toString(id + " scaled image"))
+            << "image://test/" + fileName << fileName << "sourceSize: \"80x30\"" << QSize(80,30) << "";
+
+    QTest::newRow(QTest::toString(id + " missing"))
+        << "image://test/no-such-file.png" << "no-such-file.png" << "" << QSize(100,100)
+        << "file::2:1: QML Image: Failed to get image from provider: image://test/no-such-file.png";
+
+    QTest::newRow(QTest::toString(id + " unknown provider"))
+        << "image://bogus/exists.png" << "" << "" << QSize()
+        << "file::2:1: QML Image: Failed to get image from provider: image://bogus/exists.png";
+}
+
+void tst_qdeclarativeimageprovider::runTest(bool async, QDeclarativeImageProvider *provider)
+{
+    QFETCH(QString, source);
+    QFETCH(QString, imageId);
+    QFETCH(QString, properties);
+    QFETCH(QSize, size);
+    QFETCH(QString, error);
+
+    if (!error.isEmpty())
+        QTest::ignoreMessage(QtWarningMsg, error.toUtf8());
+
+    QDeclarativeEngine engine;
+
+    engine.addImageProvider("test", provider);
+    QVERIFY(engine.imageProvider("test") != 0);
+
+    QString componentStr = "import QtQuick 1.0\nImage { source: \"" + source + "\"; " 
+            + (async ? "asynchronous: true; " : "")
+            + properties + " }";
+    QDeclarativeComponent component(&engine);
+    component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
+    QDeclarativeImage *obj = qobject_cast<QDeclarativeImage*>(component.create());
+    QVERIFY(obj != 0);
+
+    if (async) 
+        QTRY_VERIFY(obj->status() == QDeclarativeImage::Loading);
+
+    QCOMPARE(obj->source(), QUrl(source));
+
+    if (error.isEmpty()) {
+        if (async)
+            QTRY_VERIFY(obj->status() == QDeclarativeImage::Ready);
+        else
+            QVERIFY(obj->status() == QDeclarativeImage::Ready);
+        if (QByteArray(QTest::currentDataTag()).startsWith("qimage"))
+            QCOMPARE(static_cast<TestQImageProvider*>(provider)->lastImageId, imageId);
+        else
+            QCOMPARE(static_cast<TestQPixmapProvider*>(provider)->lastImageId, imageId);
+
+        QCOMPARE(obj->width(), qreal(size.width()));
+        QCOMPARE(obj->height(), qreal(size.height()));
+        QCOMPARE(obj->pixmap().width(), size.width());
+        QCOMPARE(obj->pixmap().height(), size.height());
+        QCOMPARE(obj->fillMode(), QDeclarativeImage::Stretch);
+        QCOMPARE(obj->progress(), 1.0);
+    } else {
+        if (async)
+            QTRY_VERIFY(obj->status() == QDeclarativeImage::Error);
+        else
+            QVERIFY(obj->status() == QDeclarativeImage::Error);
+    }
+
+    delete obj;
+}
+
+void tst_qdeclarativeimageprovider::requestImage_sync_data()
+{
+    fillRequestTestsData("qimage|sync");
+}
+
+void tst_qdeclarativeimageprovider::requestImage_sync()
+{
+    bool deleteWatch = false;
+    runTest(false, new TestQImageProvider(&deleteWatch));
+    QVERIFY(deleteWatch);
+}
+
+void tst_qdeclarativeimageprovider::requestImage_async_data()
+{
+    fillRequestTestsData("qimage|async");
+}
+
+void tst_qdeclarativeimageprovider::requestImage_async()
+{
+    bool deleteWatch = false;
+    runTest(true, new TestQImageProvider(&deleteWatch));
+    QVERIFY(deleteWatch);
+}
+
+void tst_qdeclarativeimageprovider::requestPixmap_sync_data()
+{
+    fillRequestTestsData("qpixmap");
+}
+
+void tst_qdeclarativeimageprovider::requestPixmap_sync()
+{
+    bool deleteWatch = false;
+    runTest(false, new TestQPixmapProvider(&deleteWatch));
+    QVERIFY(deleteWatch);
+}
+
+void tst_qdeclarativeimageprovider::requestPixmap_async()
+{
+    QDeclarativeEngine engine;
+    QDeclarativeImageProvider *provider = new TestQPixmapProvider();
+
+    engine.addImageProvider("test", provider);
+    QVERIFY(engine.imageProvider("test") != 0);
+
+    // pixmaps are loaded synchronously regardless of 'asynchronous' value
+    QString componentStr = "import QtQuick 1.0\nImage { asynchronous: true; source: \"image://test/pixmap-async-test.png\" }";
+    QDeclarativeComponent component(&engine);
+    component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
+    QDeclarativeImage *obj = qobject_cast<QDeclarativeImage*>(component.create());
+    QVERIFY(obj != 0);
+
+    delete obj;
+}
+
+void tst_qdeclarativeimageprovider::removeProvider_data()
+{
+    QTest::addColumn<QDeclarativeImageProvider*>("provider");
+
+    QTest::newRow("qimage") << static_cast<QDeclarativeImageProvider*>(new TestQImageProvider);
+    QTest::newRow("qpixmap") << static_cast<QDeclarativeImageProvider*>(new TestQPixmapProvider);
+}
+
+void tst_qdeclarativeimageprovider::removeProvider()
+{
+    QFETCH(QDeclarativeImageProvider*, provider);
+
+    QDeclarativeEngine engine;
+
+    engine.addImageProvider("test", provider);
+    QVERIFY(engine.imageProvider("test") != 0);
+
+    // add provider, confirm it works
+    QString componentStr = "import QtQuick 1.0\nImage { source: \"" + newImageFileName() + "\" }";
+    QDeclarativeComponent component(&engine);
+    component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
+    QDeclarativeImage *obj = qobject_cast<QDeclarativeImage*>(component.create());
+    QVERIFY(obj != 0);
+
+    QCOMPARE(obj->status(), QDeclarativeImage::Ready);
+
+    // remove the provider and confirm
+    QString fileName = newImageFileName();
+    QString error("file::2:1: QML Image: Failed to get image from provider: " + fileName);
+    QTest::ignoreMessage(QtWarningMsg, error.toUtf8());
+
+    engine.removeImageProvider("test");
+
+    obj->setSource(QUrl(fileName));
+    QCOMPARE(obj->status(), QDeclarativeImage::Error);
+
+    delete obj;
+}
+
+class TestThreadProvider : public QDeclarativeImageProvider
+{
+    public:
+        TestThreadProvider() : QDeclarativeImageProvider(Image), ok(false) {}
+
+        ~TestThreadProvider() {}
+
+        QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize)
+        {
+            mutex.lock();
+            if (!ok)
+                cond.wait(&mutex);
+            mutex.unlock();
+            QVector<int> v;
+            for (int i = 0; i < 10000; i++)
+                v.prepend(i); //do some computation
+            QImage image(50,50, QImage::Format_RGB32);
+            image.fill(QColor(id).rgb());
+            if (size)
+                *size = image.size();
+            if (requestedSize.isValid())
+                image = image.scaled(requestedSize);
+            return image;
+        }
+
+        QWaitCondition cond;
+        QMutex mutex;
+        bool ok;
+};
+
+
+void tst_qdeclarativeimageprovider::threadTest()
+{
+    QDeclarativeEngine engine;
+
+    TestThreadProvider *provider = new TestThreadProvider;
+
+    engine.addImageProvider("test_thread", provider);
+    QVERIFY(engine.imageProvider("test_thread") != 0);
+
+    QString componentStr = "import QtQuick 1.0\nItem { \n"
+            "Image { source: \"image://test_thread/blue\";  asynchronous: true; }\n"
+            "Image { source: \"image://test_thread/red\";  asynchronous: true; }\n"
+            "Image { source: \"image://test_thread/green\";  asynchronous: true; }\n"
+            "Image { source: \"image://test_thread/yellow\";  asynchronous: true; }\n"
+            " }";
+    QDeclarativeComponent component(&engine);
+    component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
+    QObject *obj = component.create();
+    //MUST not deadlock
+    QVERIFY(obj != 0);
+    QList<QDeclarativeImage *> images = obj->findChildren<QDeclarativeImage *>();
+    QCOMPARE(images.count(), 4);
+    QTest::qWait(100);
+    foreach(QDeclarativeImage *img, images) {
+        QCOMPARE(img->status(), QDeclarativeImage::Loading);
+    }
+    provider->ok = true;
+    provider->cond.wakeAll();
+    QTest::qWait(250);
+    foreach(QDeclarativeImage *img, images) {
+        QTRY_VERIFY(img->status() == QDeclarativeImage::Ready);
+    }
+}
+
+
+QTEST_MAIN(tst_qdeclarativeimageprovider)
+
+#include "tst_qdeclarativeimageprovider.moc"